Home / 14,555.63-20,066.43-12,308.49

Finding the Fourth Proportional to 14,555.63, 20,066.43 and 12,308.49

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Solution

The fourth proportional to 14,555.63, 20,066.43 and 12,308.49 is: 16,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.63 : 20,066.43 = 12,308.49 : x
  2. Step 2: Convert to fraction form
    14,555.63/20,066.43 = 12,308.49/x
  3. Step 3: Cross multiply
    14,555.63x = 20,066.43 × 12,308.49
  4. Step 4: Simplify right side
    14,555.63x = 246,987,499.15
  5. Step 5: Solve for x
    x = 246,987,499.15/14,555.63
  6. Step 6: Final answer
    x = 16,968.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.